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X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On Tue, Sep 22, 2026 at 04:35:33PM +0100, Lorenzo Stoakes (ARM) wrote: >Commit e3ecf7c7d082 ("mm: pgtable: convert some architectures to use >tlb_remove_ptdesc()") updated a number of architectures from using >pagetable_dtor() + tlb_remove_page_ptdesc() to using tlb_remove_ptdesc() in >__pte_free_tlb(). > >This is meaningful as tlb_remove_ptdesc() allows for RCU page table >freeing if CONFIG_MMU_GATHER_RCU_TABLE_FREE is specified. > >The csky, hexagon, nios2, openrisc, sh (except X2) and m68k-sun3 >architectures all have 2 levels of page tables, so the only page tables >ever freed by mmu_gather are PTEs, so this update suffices to ensure that >every page table freed by the mmu_gather mechanism is freed under RCU. > >Therefore, update all of these architectures to select >CONFIG_MMU_GATHER_RCU_TABLE_FREE. > >This forms part of an overall effort to switch every architecture to this >mode. > >Acked-by: Kiryl Shutsemau (Meta) >Signed-off-by: Lorenzo Stoakes (ARM) >--- Nothing jumped out at me, Reviewed-by: Lance Yang _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc